baber/WOPTO huggingface dataset:
Patent CA-2066648-A1 (CA)
Inventor: HUNG FRANCIS Y
IPC: H01C7/12
Filed: 1990-10-02
Abstract: A protector for protecting equipment, especially telephone equipment, against high voltage and/or current surges such as are caused by lightning in the vicinity of the equipment or the cables to which it is connected, comprises one or more overvoltage pro-tectors (42, 58; 234, 236) mounted upon one face of an insulating support (18; 218). A generally planar contact member (62; 290, 312) mounted upon the support member has a ground contact member (90; 296) to make contact with a ground electrode (114; 310) in the equipment to be protected and with each overvoltage protector. A spacer (60; 320, 322) of fusible plastics material cou-pled thermally to the protection device melts when a sustained fault occurs. As the spacer melts, it permits an electrical connect tion between the contact member and the line to which the over-voltage protector is connected, effectively short-circuiting the line to ground. Overcurrent protection may be provided by means of a resistor (116) disposed in series with the line and located close to the plastics spacer so as to heat the spacer when an overcurrent occurs. In one case, the spacer comprises a film (60) interposed directly between a pair of contacts (40, 74') which serve to short-circuit the protector. In another case, the spacer comprises a limb (324) with relatively thin lateral projections (328, 338) which melt and shear. In both cases, the spacer preferably comprises high density, high molecular weight polyethylene.
Patent CA-2069997-A1 (CA)
Title: Pulsed radar transmitter
Inventor: SCHNEIDER BRIAN
IPC: G01S13/91
Filed: 1992-05-29
Abstract: ABSTRACT OF THE DISCLOSURE         A radar transmitter system to be mounted in concealed fashion which can imitate the signal of a highway police radar gun to a motorist passing on the highway.   The system comprises a portable radar transmitter designed to transmit a radar signal which is detected by an activated radar detector of the passing motorist.   The portable radar transmitter provides random pulse radar generator means for the radar signal, and signal transmission means.  A housing for the portable radar transmitter is secured to the object and means are associated with the housing to releasably lock the portable radar transmitter within.
Patent CA-2073490-A1 (CA)
Inventor: MARIANO KAREN M
IPC: C08K9/02
Filed: 1992-07-08
Abstract: A modeling dough comprising gelled poly(vinyl alcohol), water and a filler provides a dough resistant to flaking, cracking, and crumbling. In the disclosed invention, the poly(vinyl alcohol) resin is gelled, thereby providing a water-based resin system that is not sticky yet very ductile. Prior to drying, the dough also exhibits the properties of bounceability and the ability to pick up newsprint. After the dough is air-dried, the poly(vinyl alcohol) resin serves to bind the components into a solid, durable product. The filler accounts for a large portion of the volume of the dough, so the overall volume is not greatly affected by water loss upon drying.      The dough is water-based and easy to wash from skin, carpets, and other surfaces. Dyes and pigments can be easily incorporated into the formula The dried product is sandable, carveable and paintable.
Patent CA-2076062-A1 (CA)
Inventor: FONTANAZZI PAOLO
IPC: B65B3/32
Filed: 1992-08-13
Abstract: ABSTRACT OF THE DISCLOSURE      Dosing pumping of liquid-state contents for e.g. packaging containers results in a varying rate of flow in the product pipe, which entails pressure shocks which must at some stage be reduced with the aid of further devices, e.g. compensation vessels or the like. One way of pumping a pumpable product by means of a dosing pump unit (1) entails that two individually driven pump chambers (2, 3), which are connected with a common outlet (6), are controlled in such a way that the suction phases of the pump chambers overlap each other so that the total inflow to the pump unit is maintained constant. A pump unit to make this possible comprises two pump chambers (2, 3) which have a common in- and outflow (5, 6), which are controlled by a rotable valve body (4), whose inlet passage (18) surrounds such a large part of the circumference that it at the same time connects the inlet (5) with the pump chambers (2, 3).
Patent CA-2077677-A1 (CA)
Title: Methode de selection de couleurs en fonction du teint caracteristique d'une personne
Inventor: MACFARLANE DARBY S
IPC: A45D44/00
Filed: 1990-03-16
Abstract: Méthode pour la sélection de couleurs propres (12) à des utilisateurs individuels selon la couleur sous-jacente de leur peau et l'intensité qui leur convient. La méthode comprend les étapes suivantes: on établit des classes de températures, de préférence au nombre de quatre, et on utilise un spectrophotomètre ou une technique de drapage du matériel pour déterminer les températures de couleur de la peau de l'utilisateur, et l'on détermine la classe dans laquelle tombent ces températures de couleur. On classe un groupe de couleurs (12) prédéterminé dans chaque catégorie , de sorte que, après avoir déterminé la classe propre à un utilisateur individuel, on peut se référer au groupe de couleurs propres (12) prédéterminé comme guide pour faire un choix approprié de vêtements, de produits cosmétiques ou de teinture de cheveux.
Patent CA-2084755-A1 (CA)
Inventor: LLOYD DAVID J
IPC: C22C1/10
Filed: 1991-06-10
Abstract: A metal matrix composite material containing discontinuous particles in a metallic matrix is prepared by forming a mix-ture of the molten alloy and the particles in a closed reactor, removing oxygen from the interior of the reactor, statically pressuriz-ing the interior of the reactor with nitrogen gas, mixing the mixture of the molten alloy and particles in the presence of the static nitrogen gas to wet the molten matrix to the particles, and evacuating the interior of the reactor in a stepwise manner. The nitrog-en gas aids in wetting the metallic alloy to the particles by forming aluminum nitride at the particle-molten matrix interface, so that a lower contact angle of the alloy to the particle results. Oxygen that may be present in the sealed reactor is gettered by the aluminum, and the nitrogen is removed by stepwise evacuation, thereby minimizing the introduction of gas into, and retention of gas within, the melt.
Patent CA-2084855-A1 (CA)
Title: Method of preparing optically active cyanohydrins
Inventor: GELUK HENDRIK W
IPC: C12P17/04
Filed: 1992-12-08
Abstract: The invention relates to a method of preparing an optically active cyanohydrin by addition of hydrogen cyanide to a carbonyl compound, selected from aldehydes and ketones, in the presence of hydroxynitrile lyase, in a biphasic solvent system, comprising a homogeneous aqueous solution of said enzyme, and a suitable organic solvent which is at least substantially immiscible with water. Said method is performed in that said homogeneous aqueous solution is buffered with an acetate buffer having a buffer concentration of between 0.005 and 0.1 mole per litre or with a non-acetate buffer, that the volume ratio organic phase : aqueous phase is between approx. 5:1 and approx. 1:5, and that a solution of hydrogen cyanide and said carbonyl compound in said organic solvent is properly mixed during the reaction period with said homogeneous aqueous solution of hydroxynitrile lyase.
Patent CA-2084995-A1 (CA)
Inventor: DALSASS KARL-GUENTHER
IPC: G06K7/08
Filed: 1991-06-05
Abstract: In a process for transmitting energy from a main unit (2) to an auxiliary unit (3) and for transmitting data bidirectionally between these units, energy is transmitted from the main unit (2) to the auxiliary unit (3) in the form of an alternating supply signal of predetermined frequency, a clock signal is generated on the basis of the alternating supply signal, a first data signal is transmitted from the main unit (2) to the auxiliary unit (3), a time window is generated in said auxiliary unit (3) from the moment at which the first data signal is received and on a time basis determined by the clock signal, the number of oscillations of the first data signal within the time window is counted and used to determine the transmitted first data value, whereupon retransmission of a second data signal from the auxiliary unit (3) to the main unit (2) takes place.
Patent CA-2089303-A1 (CA)
Inventor: KUPCIKEVICIUS VYTAUTAS
IPC: F16K41/04
Filed: 1993-02-11
Abstract: Vacuum packaging apparatus and method for evacuating and heat sealing bags employs a clamp, swingable over substantially the full length of the bagged product, to effect a temporary air-tight seal of an evacuated bag during transport of the evacuated bag from an evacuating zone to a heat sealing zone.  The apparatus also includes a platen having a shallow V-shaped configuration to cradle the bagged product and the V-shaped being flattened to a plane and the platen being elevated to facilitate automatic removal of the bagged product from the platen.
Patent CA-2091278-A1 (CA)
Inventor: PINARD DEBORAH L
IPC: H04M19/02
Filed: 1993-03-09
Abstract: A telephone switching system is comprised of a main controller, switching circuits controlled by the main controller, a peripheral controller for controlling the seizing of subscriber lines for calls routed through the switching circuits, and further comprising a first memory associated with and accessible by the main controller for storing user data associated with each directory number, the user data comprising a ring type, a second memory associated with the peripheral controller for storing ringing cadence indicators associated with respective plural ring types, the main controller for reading the station data from the first memory upon receiving a request for service to a directory number, and sending the ring type indicator with a subscriber line seize message to the peripheral controller, the peripheral controller for reading the second memory and obtaining the ring cadence indicators associated with the ring type, and ringing a line according to the indicated ring cadence.
Patent CA-2097596-A1 (CA)
Inventor: BLAESER DAVID J
IPC: G11B21/21
Filed: 1992-01-16
Abstract: A head suspension assembly (10) for use with drives for rigid disks which incorporates a layer of damping material (13) throughout the entire structure of the suspension to reduce the amplitude of all resonant modes of vibration.
Patent CA-2097894-A1 (CA)
Title: Shingle surface projections to inhibit mineralized deposition
Inventor: NEEDHAM JAMES K
IPC: E04D1/30
Filed: 1993-06-07
Abstract: SHINGLE SURFACE PROJECTIONS TO INHIBIT MINERALIZED DEPOSITION          Abstract of the Disclosure A roofing shingle is shaped to inhibit moisture accumulation and the formation of mineralized deposits that may result when roofing shingles are laid in courses. The shingles are laid in accordance with a method that inhibits the mineralized deposition that may mar the surfaces of cementitious shingles.  Mineralized deposits are inhibited by spacing apart major surfaces of adjacent shingles that would otherwise contact when they are laid as intended in courses.
Patent CA-2098715-A1 (CA)
Title: Membrane process and apparatus for removing a component from a fluid stream
Inventor: WIJMANS JOHANNES G
IPC: B01D53/22
Filed: 1991-12-06
Abstract: A membrane process and system for removing condensable components from gas or liquid streams. The process includes a membrane separation step and a recovery step. An auxiliary membrane module or set of modules (10) is installed across a vacuum pump (5) and/or recovery unit (7) on the downstream side of main membrane unit (2). Auxiliary module (10) takes as its feed a stream (9) from recovery unit (7) and returns a component-enriched stream (12) to the inlet of vacuum pump (5) or recovery unit (7), and can be sized to produce a discharge stream (11) containing the component in about the same concentration as the feed stream (1) to be treated.  Stream (11) can then be mixed with feed stream (1) without adverse effect on the efficiency of the system.
Patent CA-2100015-A1 (CA)
Title: Auditory prosthesis with user-controlled feedback cancellation
Inventor: SOLI SIGFRID D
IPC: H04R25/00
Filed: 1993-07-07
Abstract: ABSTRACT OF THE DISCLOSURE     Apparatus and method for canceling feedback in an auditory prosthesis. An input filter includes an adaptive filter which can be user activated to provide rapid adaption of the filtering characteristics. A probe generator may generate a predetermined signal to introduce a known component in the input signal via the feedback path during rapid adaption. the filter characteristics are adapted in response to a reference signal containing a component of the predetermined signal and a component of the output of the amplifier. An alternate embodiment adds to the reference signal an unwanted noise component taken from the input signal wherein the filter characteristics adapt to filter an unwanted noise in the input signalprovided that adaption is actuated when the unwanted noise is predominant in the input signal. Both embodiments include a slow adaption mode wherein the filter characteristics are slowly adapted between intervals of rapid adaption to provide adjustments to gradual changes in the characteristics of the feedback path or the unwanted noise.
Patent CA-2101480-A1 (CA)
Title: Injection molding nozzle which retains a thermocouple element
Inventor: GELLERT JOBST U
IPC: B29C45/20
Filed: 1993-07-28
Abstract: An injection molding nozzle upon which a thermocouple element can be removably mounted and be self-retained in place. The nozzle has a front portion and a larger diameter rear collar portion with a thermocouple element duct therethrough. A thermocouple element bore extends rearwardly from the front end of the nozzle and a thermocouple element groove extends outwardly across the rear end from the thermocouple element duct. A front portion of a suitably bendable and retentive thermocouple element is inserted into the bore in the front end and bent to extend rearwardly to the duct through the rear collar portion. A rear portion of the thermocouple element is bent into place in the groove in the rear end. The thermocouple element securely retains itself in this position while the nozzle is being installed in the mold.
Patent CA-2101980-A1 (CA)
Title: System and method for telephone network testing
Inventor: DRESSER STEPHEN A
IPC: H04M3/30
Filed: 1993-08-05
Abstract: A system and method for testing equipment in a telephone network is disclosed for remote maintenance and verification of subscriber loops. The system and method accommodates known AC and DC fault testing techniques while improving reliability by providing duplex verification of the subscriber loop identification.
Patent CA-2103085-A1 (CA)
Inventor: NAKAMURA TAKAO
IPC: C30B23/08
Filed: 1993-11-15
Abstract: A method for preparing a thin film formed of an oxide superconductor on a substrate by emitting molecular beams of constituent elements of the oxide superconductor to the substrate under high vacuum, wherein at first a molecular beam of one of the constituent elements of the oxide superconductor, of which an oxide thin film can be deposited so as to have a smooth surface, is emitted so as to form the oxide thin film of one or two unit cells. And then, all the molecular beams of constituent elements of the oxide superconductor are emitted to the oxide thin film so as to form the oxide superconductor thin film.
Patent CA-2104465-A1 (CA)
Title: Inhaler device
Inventor: WEINSTEIN ALLAN
IPC: A61M11/00
Filed: 1991-03-21
Abstract: An inhaler device that is able to house multiple removable canisters (40, 50) of medication. The inhaler device may also have extendable and retractable outlet nozzles (65), spacer devices, a cover (60) and assorted cap designs to ensure proper use of the device and application of the medication.
Patent CA-2104507-A1 (CA)
Title: Use of water-soluble copolymers based on arylamidoalkylenesulfonic acid as a detergent additive
Inventor: ANTWERPEN WERNER
IPC: C11D3/00
Filed: 1993-08-20
Abstract: Abstract:            Use of water-soluble copolymers based on acrylamido-alkylenesulfonic acid as a detergent additive The present invention relates to the the use of water-soluble copolymers based on acrylamidoalkylenesulfonic acid, vinylacetamide and, if appropriate, other monomers, comprising 5 - 90% by weight of structural units of the formula                          (I) in which R1   is hydrogen or methyl, R2   is C2-C10-alkylene, preferably C2-C6-alkylene, par-ticularly preferably C4-alkylene, and Me   is ammonium or an alkali metal ion, 5 - 95% by weight of structural units of the formula (II)   in which R3 and R4 independently of one another are hydrogen, methyl or ethyl, or R3 and R4 together are a propylene group which, including a radical   form a pyrrolidone radical, 0 - 90% by weight of structural units of the formula               (III) in which X is a halogen, preferably chloride, R5 and R6 independently of one another are C1-C6-alkyl, prefrably C1-C3-alkyl, in particular methyl or ethyl, and 0 - 90% by weight of structural units of the formula in which R7   is hydrogen or methyl and R8   is  CONH2,  CON(CH3)2, cyano,  SO3H,  SO3Me,  C6H4SO3H, C6H4SO3Me, CH2SO3H, CH2SO3Mr, COOH, COOMe or an ester group COOR, in which R is C1-C15-alkyl, preferably C1-C8-alkyl, as a detergent additive for preventing reabsorption of detached dyestuffs and dyestuff degradation products.
Patent CA-2104611-A1 (CA)
Inventor: GREEN DAVID T
IPC: A61B17/115
Filed: 1993-08-23
Abstract: A detachable anvil rod for use with an apparatus for circular fastening of hollow organs is provided.  An elongated rod member has a proximal end portion, a distal end portion and an irregular surface portion intermediate the proximal and distal end portions. The irregular surface portion includes a plurality of grooves which define a plurality of raised ridges. The ridges are adapted to engage grasping surfaces of a grasping tool so as to minimize potential of slippage, thus enhancing the maneuvering procedure of the anvil rod about the operative site.  The anvil rod also includes a narrowly configured mounting portion which enables the rod to be applied to and mounted within the distal end of the stapling apparatus from a variety of angular positions.  An apparatus which incorporates the improved detachable anvil rod is also described.
Patent CA-2106198-A1 (CA)
Title: Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution
Inventor: GRIERSON JEFFREY G
IPC: B01D61/58
Filed: 1992-02-27
Abstract: Regeneration of polyvalent metal ion chelated by substantially monomeric chelants for H2S removal systems is facilitated by membrane nanofiltration (15) of metal chelate solution (14).  Nanofiltration removes accumulatd water and chelant degradation products and solution contaminants from the redox reaction solution (14).  A purified and concentrated redox solution (17) is produced for regeneration and recycle to a gas-liquid contractor (2). Longer redox solution life results. Iron is a useful polyvalent ion.
Patent CA-2106390-A1 (CA)
Title: Double mode long term prediction in speech coding
Inventor: MINDE TOR B
IPC: G10L19/12
Filed: 1993-01-19
Abstract: The invention relates to a method of coding a sampled speech signal vector (s(n)) in an analysis-by-synthesis coding meth-od by forming an optimum excitation vector comprising a linear combination of a code vector from a fixed code book (12) and a long term predictor vector. A first estimate of the long term predictor vector is formed in an open loop analysis (22, 24, 30, 32, 34, 36). A second estimate of the long term predictor vector is formed in a closed loop analysis (g L, 14, 16, 20, 22, 24, 28, 34, 36). Finally, each of the first and second estimates are combined in an exhaustive search (g J, g L, 14, 16, 20, 22, 24, 28, 36) with each code vector of the fixed code book (12) to form that excitation vector that gives the best coding of the speech signal vec-tor (s(n)).
Patent CA-2107649-A1 (CA)
Title: T and f hemostatic
Inventor: FOTOPOULOS THEMIS
IPC: A61K9/06
Filed: 1993-10-04
Abstract: ABSTRACT          HERBAL CREAM FOR THE SUPERFICIAL TREATMENT OF DISEASES TECHNICAL FIELD          The field of this invention relates to a natural herbal cream for the relief of superficial diseases, and is of particular advantage in the  treating of hemorrhoids and cure 80%.
Patent CA-2111623-A1 (CA)
Title: Bulk storage bag with integral lifting devices
Inventor: CAVENAGH EDWARD J
IPC: B65D33/10
Filed: 1993-12-15
Abstract: A conventional bulk storage bag has a pair of sleeves formed on the underside of the bag base each by a fabric strip stitched to the underside along two spaced stitch lines. Within the sleeve is inserted an arch shaped insert member extending along the full length of the sleeve from the front edge to the rear edge of the base. The arch shaped insert has a width so that it cooperates with the sleeve in a structural arrangement to hold an area underneath the arch and above a tension portion of the sleeve open for receiving the fork of a fork lift truck for lifting of the bag.
Patent CA-2114691-A1 (CA)
Title: Reinforced multicore optical fiber coupler
Inventor: HATTORI TOMOYUKI
IPC: G02B6/28
Filed: 1994-02-01
Abstract: A reinforced structure for a multicore optical fiber coupler wherein a longitudinal coating resin of a multicore optical fiber, having a plurality of optical fiber strands positioned in parallel arrangement to each other and collectively coated with a common coating resin, is partially removed so as to expose the glass portions of the optical fiber strands. The exposed glass portions are then fused and extended. The non-extended portions on the opposite sides of the fused and extended portion of the glass portion of each of the plurality of optical fiber strands in the extending direction are accommodated respectively in a plurality of grooves formed in a reinforcing casing. The reinforcing casing is made of a material having substantially the same coefficient of linear expansion as that of quartz.
Patent CA-2114821-A1 (CA)
Title: Improved arrangement of source and receiver lines for three dimensional seismic data acquisition
Inventor: CORDSEN ANDREAS
IPC: G01V1/20
Filed: 1994-02-01
Abstract: The invention involves providing a plurality of substantially parallel and equally spaced source lines each of which are formed by a plurality of equally spaced seismic energy sources. A plurality of substantially parallel and equally spaced receiver lines are also provided each formed by a plurality of equally spaced seismic energy receivers. The source and receiver lines are overlaid in a transverse crossing manner forming a rectangular grid so that the particular spacing or relative offset between a source and a receiver is repeated only at every second or greater number of crossings. Preferably, the relative offset is substantially zero so that a source and a receiver are substantially coincident at only every second or greater number of crossings. For each seismic disturbance, an array of common mid-point seismic reflections ("CMP's") is produced. Each CMP forms the center of one of multiple sub-bins which together form a standard bin. Stated otherwise, by slightly varying the source, receiver and line intervals so that the particular relative offset between receiver and sources is repeated, but only at every second or greater crossing, the number of CMP's per bin has been multiplied. During processing of the seismic survey results, adjacent sub-bins can be incrementally combined or trimmed to adjust the standard bin to a larger or smaller size, thereby permitting an explorationist to optimize between increased fold or more detailed resolution respectively.